<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>9个点不同位置</title>
    <link rel="stylesheet" href="../css/flex.css">
    <link rel="stylesheet" href="../css/0.css">
</head>
<body>
<br>
<div class="a">
    <div class="b"></div>
</div>

<div class="a" flex="main:center cross:top">
    <div class="b"></div>
</div>

<div class="a" flex="main:right">
    <div class="b"></div>
</div>

<div class="a" flex="cross:center">
    <div class="b"></div>
</div>


<div class="a" flex="cross:center main:right">
    <div class="b"></div>
</div>

<div class="a" flex="main:left cross:bottom">
    <div class="b"></div>
</div>

<div class="a" flex="main:center cross:bottom">
    <div class="b"></div>
</div>

<div class="a" flex="main:right cross:bottom">
    <div class="b"></div>
</div>
</body>
</html>